CN102461274A

CN102461274A - Techniques for communications among access and core networks

Info

Publication number: CN102461274A
Application number: CN2010800299193A
Authority: CN
Inventors: P.贾因
Original assignee: Intel Corp
Current assignee: Intel Corp
Priority date: 2009-05-01
Filing date: 2010-04-23
Publication date: 2012-05-16
Anticipated expiration: 2030-04-23
Also published as: US20100279731A1; JP5382479B2; TWI416972B; CN102461274B; EP2425662A2; KR101367075B1; WO2010126787A2; TW201130345A; WO2010126787A3; JP2012525777A; KR20120011882A; EP2425662A4

Abstract

Techniques for attaching a user device to a core network are disclosed. For example, a user device may send a request message to a wireless access network that requests attachment to a core network. In return, the user device receives a response message from the wireless access network that indicates whether the request is granted. The request message may include various information fields, such as a field to indicate an attachment type, a field to indicate an access point name, and a field to indicate a mobility mode capability of the device. The wireless access network may be an IEEE 802.16e WiMAX network and the core network may be a 3GPP enhanced packet core (EPC).

Description

The technology that is used for the communication between Access Network and the core net

Background technology

Wireless communication ability is integrated in the portable set more and more, and said portable set comprises laptop computer, handheld device (for example PDA(Personal Digital Assistant)) and mobile phone.The integrated connectedness of can be anywhere and being provided to information resources any time to the user of this ability.

Mobile device user expectation usually passes through their equipment acquisition packet service.The instance of packet service comprises that voice (VoIP) phone, information receiving, the web based on Internet Protocol browses, content (for example video and/or audio) is sent and interactive entertainment (gaming).Usually, such service is through providing at the outside network of the wireless access network of mobile device.

In this case, can obtain through core net access from the service of external network.Therefore, realizing that such access possibly relate between the wireless access network of mobile device and core net adopts the network interconnection technology.

Description of drawings

In the accompanying drawings, similar Reference numeral usually indication identical, similar elements similarly and/or on the structure on the function.The figure that element occurs is first indicated by leftmost in the Reference numeral (one or multidigit) numeral.To the present invention be described with reference to accompanying drawing, wherein:

Fig. 1 is the figure of exemplary operation environment;

Fig. 2 is the flow chart that the exemplary network operation is shown;

Fig. 3 and 4 illustrates the mutual figure of exemplary network;

Fig. 5 is the figure of the enforcement that can in subscriber equipment, adopt; And

Fig. 6 is the figure of the enforcement that can in access service network gateway, adopt.

Embodiment

Embodiment is provided for the technology of subscriber equipment attached (attach) to core net.For example, subscriber equipment can be attached to the request message of core net to the wireless access network request of sending.As answer, subscriber equipment receives response message from wireless access network, and whether said response message indication described request is permitted.Request message can comprise various information fields, for example indicates the field of the mobility mode capabilities of the field of attached type, the field of indicating APN and indicating equipment.Wireless access network can be an IEEE 802.16e WiMAX network, and core net can be that 3GPP strengthens block core (core) (EPC).Yet, can adopt the network of other types.

Therefore, embodiment can provide the mechanism of sending Non-Access Stratum (NAS) information.This mechanism relates to the new signaling message that between subscriber equipment and access service network (ASN), transmits.In an embodiment, this mechanism is extendible.For example, such new signaling message can be used to carry additional and/or interchangeable information element (if necessary).

In whole this specification, " embodiment " or mentioning of " embodiment " are meant, be included among at least one embodiment in conjunction with the described specific characteristic of embodiment, structure or characteristic.Therefore, phrase " in one embodiment " or " in an embodiment " differ to establish a capital in each local appearance of whole this specification and are meant identical embodiment.In addition, specific characteristic, structure or characteristic can be combined in one or more embodiments in any suitable manner.

Fig. 1 is the figure that can be employed in the exemplary operation environment 100 of this described technology therein.As shown in fig. 1, this environment comprises subscriber equipment 102, Access Network 104, core net 106, internet 108 and privately owned net 110.

Subscriber equipment 102 provides the mobile communication ability to the user.Therefore, subscriber equipment 102 can be mobile phone, smart phone, wireless personal digital assistant (PDA), mobile internet device (MID), notebook, net book, device for logging on network or the like.Embodiment is not limited to these instances.

The mobile communication of subscriber equipment 102 promotes through one or more wireless access networks.For instance, Fig. 1 illustrates the radio communication of subscriber equipment 102 participations and Access Network 104.In an embodiment, Access Network 104 can be a wireless network, for example Institute of Electrical and Electronics Engineers (IEEE) 802.16e WiMAX network.Yet, can adopt other network types.The instance of other network types like this includes, but is not limited to IEEE 802.16m network and IEEE 802.11 wireless lan (wlan)s.

Access Network 104 can comprise one or more elements of implementing with any combination of hardware and/or software.For example, Access Network 104 can comprise the one or more base stations (BS) with the user equipment exchange wireless signal.For instance, Fig. 1 illustrates Access Network 102 and has a plurality of BS 114a-114n.In these, Fig. 1 illustrates subscriber equipment 102 and BS 114a exchange wireless signal.Yet, subscriber equipment 102 can with any combined exchange signal of base station.

Except having one or more base stations, Access Network 104 can also comprise access service network gateway (ASN-GW) 116.ASN-GW 116 can provide the mutual various characteristics that relate to subscriber equipment 102 and Access Network 104.For example; ASN-GW 116 can carry out authentication operation, handles mobile Internet Protocol (IP) (for example proxy-mobile IP (PMIP), mobility IP (MIP), client mobile IP (CMIP) or the like) operation, carries out paging; Distribute cryptographic keys, and/or carry out handoff functionality.These characteristics be provided with as an example and not as the restriction.Therefore, ASN-GW 116 can provide any combination of these and other characteristic.

In addition, ASN-GW 116 can carry out and relate to the attached operation of subscriber equipment 102 to core net 106.This is attached to provide through the access of core net 106 to (one or more) external network (or access point) to subscriber equipment 102.As said, so attached operation possibly relate between subscriber equipment 102 and ASN-GW 116 and exchanges particular message.

Core net 106 can make various services can be used for subscriber equipment.For example, core net 106 can provide the access to the service that on network (also being called as access point), provides to subscriber equipment 102, and said network for example is internet 108 and privately owned net 110.Exemplary services includes, but is not limited to that voice (VoIP) phone, information receiving, web based on Internet Protocol browses, content (for example video and/or audio) is sent, interactive entertainment or the like.

In an embodiment, core net 106 can be implemented according to the block core (EPC) of the evolution of Long Term Evolution (LTE) standard (for example the LTE version 8) of third generation partner program (3GPP).Yet embodiment is not limited to this exemplary core net and implements.

Core net 106 can comprise one or more elements of implementing with any combination of hardware and/or software.For example, Fig. 1 illustrates core net 106 and comprises packet data network gateway (PDN-GW) 118.PDN-GW 118 is through operating the connectedness that is provided to external packet data network (or access point) to subscriber equipment 102 as the business interface point that is used for subscriber equipment 102.In addition, PDN-GW 118 can carry out one or more various additional operations, for example local mobile anchor point (LMA), home agent (HA), packet filtering, to the strategy execution of subscriber equipment 102 and/or to the charging of subscriber equipment 102.Yet embodiment is not limited to these exemplary operations.

Fig. 1 further illustrates, and (Access Network 104) ASN-GW 116 is coupled to (core net 106) PDN-GW 118.Therefore, in an embodiment, subscriber equipment 102 is enjoyed the access to PDN-GW 118 through ASN-GW 116.

And Fig. 1 illustrates, and core net 106 comprises authentication aaa server 120.Aaa server 120 can provide the authentication service to ASN-GW 116 and/or PDN-GW 118.Therefore, Fig. 1 also illustrates the aaa server 120 that is coupled to ASN-GW 116 and PDN-GW 118.These connections can provide through one or more dedicated networks, privately owned and/or public network (for example internet).And aaa server 120 can utilize any combination of hardware and/or software to implement.

In an embodiment, aaa server 120 can be carried out the operation of the authentication that relates to subscriber equipment 102.Subscriber equipment 102 is being roamed under the situation of (for example when Access Network 104 is not the ownership Access Network of subscriber equipment 102) therein, and aaa server 120 can be used as the agency and operates.This relates to aaa server 120 relayings goes to/from the authentication related service of another aaa server that is associated with subscriber equipment 102.With communicating by letter of aaa server 120 can be according to various authentication protocols.Example protocol comprises (but being not limited to) Extensible Authentication Protocol (EAP), DIAMETER and/or remote authentication dial-in customer service (RADIUS).

As stated, subscriber equipment 102 can be via the access of core net 106 acquisitions to one or more extenal grouped networks.Fig. 1 illustrates internet 108 (for example fhe global internet) and privately owned net 110 with property packet network as an example.Privately owned net 110 can be for example limited Access Network (for example company's net).It only is for illustrative purposes that these external networks are provided, rather than limits.Therefore, can adopt other external networks.

In general operation, subscriber equipment 102 can with the one or more exchange wireless signals among the base station 114a-114n in the Access Network 104.This can allow subscriber equipment 102 to communicate by letter with extenal grouped network through core net 106 (for example through PDN-GW 118) participation.As stated; Such communication can be associated with following service, said service be for example (but being not limited to) based on voice (VoIP) phone, information receiving, the web of Internet Protocol browse, content (for example video and/or audio) is sent, interactive entertainment or the like.

Such communication possibly relate to the transmission that Internet Protocol (IP) is divided into groups.And such communication can be adopted mobile IP protocol, for example proxy-mobile IP (PMIP).These agreements allow mobile device (for example subscriber equipment 102) between network (for example Access Network), to roam, and keep permanent IP address simultaneously.Such communication relates to the foundation of IP tunnel.As stated, other exemplary mobile IP protocols include, but is not limited to MIP and CMIP.

In case subscriber equipment 102 has been set up with Access Network 104 and communicated by letter, it just need can obtain packet data network (PDN) connection that service obtains core net 106 before from external network (for example from network 110 and/or 112) at it.This relates to Access Network 104 provides customizing messages.

For example, be that WiMAX network and core net 106 are under the situation of 3GPP EPC at Access Network 104, subscriber equipment 102 need be sent to ASN-GW 116 to customizing messages (for example 3GPP APN (APN) and attached type parameter).The service that the APN sign is provided by external network, and help to inquire about the IP address of resolving PDN-GW via DNS.The particular type that the indication of attached type parameter is asked is attached (for example initial attachment or switch attached or additional PDN attached).Current WiMAX standard does not have the regulation will be from the mechanism of the such information of subscriber equipment (yet being called as travelling carriage) and Access Network (yet being called as access service network (ASN)) transmission.

Embodiment provides such mechanism through adopting two message.First message is the request message that sends to Access Network from subscriber equipment.This message comprises the required information of core net that is attached to.Second message is that Access Network is to the attached corresponding response message that whether has taken place of subscriber equipment indication.These message can serve as universal container so that Non-Access Stratum (NAS) information, for example APN, attached type parameter and mobility pattern information between tranmission techniques.Yet embodiment is not limited to this information.For example, message can transmit other NAS information.

Can further describe the operation that is used for embodiment with reference to the figure and the appended instance of back.Some figure can comprise logic flow.Although can comprise particular logic flow, can recognize that this logic flow only provides the instance that can how to implement general utility functions as described herein at this such figure that provides.In addition, given logic flow not necessarily must be carried out with given order, only if indication is arranged in addition.In addition, software element or its any combination that can carry out by hardware element, by processor of given logic flow implemented.Embodiment is not limited thereto situation.

Fig. 2 illustrates the embodiment of logic flow.Especially, Fig. 2 illustrates logic flow 200, and it can represent the operation by said one or more embodiment execution.This flow process is described under the situation of Fig. 1.Yet, can adopt this flow process in other cases.Although Fig. 2 illustrates specific sequence, can adopt other sequences.And the operation of being described can be carried out with various combinations parallel and/or order.

At piece 202, subscriber equipment 102 foundation are connected with Access Network 104.This possibly relate to various operations.Such operation can include, but is not limited to set up down link (DL) and up link (UL) parameter; It is synchronous to set up medium access control (MAC), carries out the adjustment of range finding and physical layer (PHY), the exchange of basic capacity message; Authentication operation; The foundation of encryption key, network registry, or the like.The instance of such operation is described with reference to figure 3 below.As the result of this connection, subscriber equipment 102 can participate in base station 114a-n in one or more communicating by letter.

At piece 204, subscriber equipment 102 sends a request message to Access Network 104.Especially, this message is to being attached to the request of core net 106.This message can comprise various information fields.For example, this message can comprise attached type field, APN (APN) field and mobility pattern (MM) capable field.

The indication of attached type field, this request are to be used for initial attachment, to switch attachedly, and still additional PDN is attached.The service that the specific external network that the APN field identification is wanted to insert by subscriber equipment 102 provides.For example, under the situation of Fig. 1, the APN field can identify the service that is provided by external network 108 and/or external network 110.In an embodiment, the APN indication can be the form that has by the string of some mark separately, for example " Label1.Label2.Label3 ".

One or more mobility protocols that MM capable field indication subscriber equipment 102 can adopt.The instance of such agreement comprises PMIP (for example preserve PMIP version 6 addresses), MIP (for example MIP edition 4 FA Care-of Address (CoA)) and client mobile IP (for example the CMIP version 6).

At piece 206, this request message is received by the base station of communicating by letter with subscriber equipment 102.Then, this request message is forwarded to the ASN-GW 116 in the Access Network 104 pellucidly.

One receives, and whether ASN-GW 116 just definite at piece 207 places (or checking) is authorized to for subscriber equipment with regard to the APN that is identified in the request message 102.This possibly relate to utilization and check from the information that one or more aaa servers (for example aaa server 120) receive.

As by shown in the piece 208-210, whether ASN-GW 116 is authorized to prepare response message and response message is sent to subscriber equipment 102 based on subscriber equipment for APN 102.For example, if subscriber equipment 102 is authorized to, then prepare and send and indicate successfully the response message of (perhaps can request) at piece 209 ASN-GW of place 116.Otherwise 210 ASN-GW of place 116 prepare and send the response message of indication failure (or request of refusal) at piece.

Piece

209 and 210 response message can be shared specific format.For example, such response message can comprise a plurality of information fields.The exemplary information field includes, but is not limited to respond style field and selected mobility pattern (MM) capable field.

Respond style field (RSP type) indication, request are rejected (" failure ") or are permitted (" success ").Selected mobility mode capabilities indication will be by the mobility protocol (for example PMIP, MIP, CMIP or the like) of subscriber equipment 102 employings.

As by shown in the piece 211,, then operate to proceed to piece 212 if ask to be permitted.At piece 212, subscriber equipment 102 is attached to core net 106.In an embodiment, this relates to the subscriber equipment 102 base station exchange message corresponding with it and passes through ASN-GW 116 and the data path of PDN-GW 118 foundation and access point (external network).

As stated, in an embodiment, Access Network 104 can be the WiMAX network, and core net 106 can be 3GPP EPC.Fig. 3 illustrates exemplary in this case mutual figure.Especially, this illustrates mutual that (along time shaft 301) takes place between the element in WiMAX Access Network 350 and 3GPP EPC 306.In the figure, each possibly comprise for example one or more behaviors, action, exchange and/or incident alternately.

As shown in Figure 3, WiMAX Access Network 350 comprises travelling carriage (MS) 302, base station (BS) 304 and ASN-GW 306.And Fig. 3 illustrates the 3GPP EPC 360 that comprises be interviewed AAA agency 308 and ownership aaa server 310.These elements can be implemented with any combination of hardware and/or software.

These can occur in the environment of Fig. 1 alternately.For example, MS 302 may be implemented as subscriber equipment 102, and BS 304 may be implemented as one of base station 114a-n, and ASN-GW 308 may be implemented as ASN-GW 116, and the aaa server 310 of being interviewed may be implemented as aaa server 120.Yet embodiment is not limited to this situation.

At mutual 320 places, travelling carriage 302 obtains down link (DL) channel, obtains medium access controls (MAC) (for example through the reception to DL-MAP message) synchronously, and obtains up link (UL) link parameter.

At mutual 322 places, can carry out the adjustment of initial ranging and physical layer (PHY).Under the situation of WiMAX, this possibly relate to and base station 304 exchange RNG-REQ and RNG-RSP message.

After this, travelling carriage 302 exchanges SBC REQ and SBC RSP message with base station 304 at mutual 324 places.These message relate to the basic capacity of MS 302.And at mutual 326 places, MS context initialization procedure occurs between BS 304 and the ASN-GW 306.

It is mutual 328 that Fig. 3 also illustrates, and verification process (for example EAP process) has wherein taken place.Especially, Fig. 3 illustrates this and relates to MS 302, BS 304, ASN-GW 306, the aaa server 308 of being interviewed (serving as the agency) and ownership aaa server 310 alternately.

As by shown in the piece 330, verification process is indicated successfully.As a result, obtain safe context.Therefore, mutual 332 illustrate, and MS 302 and ASN-GW 306 generate authenticate key (AK).

After this, MS 302 participates in the generation and the transmission of security association (SA) and traffic encryption key (TEK) with BS 304 at mutual 334 places.

At mutual 336 places, MS 302 is to BS 304 registrations.This possibly relate to the exchange of WiMAX REG-REQ and REG-RSP message.And exchange 338 illustrates the registration of generation to ASN-GW 306.

Under the situation of Fig. 2, mutual 320 until 336 can be included in the piece 202.As stated, piece 202 relates between subscriber equipment and Access Network and connecting.

Refer again to Fig. 3, be illustrated in mutual 340 after mutual 336 and 338.Provide to ASN-GW 306 to travelling carriage 302 alternately the ability that is attached to the required information of core net (for example 3GPP EPC) is provided.Especially, Fig. 3 illustrates mutual 340 and comprises message 342 and 344.

Message 342 is the request messages that transmitted by MS 302.This message is received by BS 304 and is forwarded to ASN-GW 306 pellucidly.Fig. 3 illustrates, and message 342 is called as EPC_ATTACH_REQ, because its request is attached to 3GPP EPC.Yet embodiment can adopt other titles that are used for such message.And embodiment is not limited to WiMAX and/or 3GPP EPC implements.

Message 344 is the response messages corresponding to request message 342.Fig. 3 illustrates, and response message 344 is called as EPC_ATTACH_RSP.Yet embodiment can adopt other titles that are used for such message.And embodiment is not limited to WiMAX and/or 3GPP EPC implements.

As shown in Figure 3, message 342 comprises attached type field, APN field and MM capable field.Fig. 3 illustrates, and message 344 comprises RSP type field and MM capable field.Message 342 and these fields of 344 can be implemented with reference to figure 2 described modes with top.Yet embodiment is not limited to these enforcement.

Exchanging messages after 342 and 344, service interpolation process 346 can take place between MS 302 and BS 304.Under the situation of WiMAX, this possibly relate to exchange DSA-REQ, DSA-RSP and DSA-ACK message.And, can data path take place between BS 304 and ASN-GW 306 set up process 348.In addition, can session take place between the PDN-GW in ASN-GW 306 and the EPC 360 set up signaling.Such signaling can comprise that for example agent binding update (PBU) and agent binding confirm the exchange of (PBA) message.

After these processes, MS 302 can set up and the communicating by letter of its selected access point (external network).As said, this possibly relate to sets up mobile IP tunnel (for example PMIP tunnel).

Said technology can also be used to be used to be connected to a plurality of external packet data networks (PDN).Therefore, Fig. 4 illustrates subscriber equipment (for example travelling carriage) is established to two PDN via two different PDN-GW attached figure.Fig. 4 is illustrated in mutual that (along time shaft 401) takes place between the entity in WiMAX access service network (ASN) 450 and the 3GPP EPC 460.In the figure, each can comprise for example one or more action, action, exchange and/or incident alternately.

As shown in Figure 4, ASN 450 can comprise travelling carriage (MS) 402 and WiMAX ASN-GW 404.In addition, Fig. 4 illustrates, and EPC 460 can comprise a PDN-GW 406, the 2nd PDN-GW 408, vPCRF 410, AAA agency 412, hPCRF 414 and HSS/AAA 416.

At mutual 420 places, MS 402 is attached to EPC core 460.This attached can be to carry out with reference to figure 3 described modes.Yet, can adopt other attach technology.As shown in Figure 4, this attached PMIP of causing tunnel 422 is created between ASN-GW 404 and the PDN-GW 406.

After this was attached, subsequently attached set up in MS 402 expectation.Therefore, MS 402 sends attach request message 424 (being shown as EPC_ATTACH_REQ 424), and it is received by ASN-GW 404.MS 402 attached types are set to " additional PDN is attached ".

As among Fig. 4 by shown in the Reference numeral 425, signaling is set up in the session that this request message is initiated between the element in WiMAX ASN-GW 404 and the EPC 460.This signaling can comprise the exchange of agent binding update (PBU) and agent binding affirmation (PBA) message.

As the result of this signaling, response message 426 (being shown as EPC_ATTACH_RSP 426) is sent to MS 402.If the response message indication request is permitted, then set up new PMIP tunnel 428 with the 2nd PDN-GW 408.Therefore, MS 402 can have a plurality of parallel attached to EPC 460.

Fig. 5 is the figure that can be included in the enforcement 500 in the subscriber equipment (the for example MS 402 of the MS 302 of the subscriber equipment 102 of Fig. 1, Fig. 3 and/or Fig. 4).Yet, can also adopt this enforcement in other cases.Implement 500 and can comprise various elements.For example, Fig. 5 illustrates, and implements 500 and comprises antenna 502, transceiver module 504 and host module 506.In addition, Fig. 5 illustrates the attached administration module 508 in the host module 506.These elements can be implemented with hardware, software or its any combination.

Antenna 502 provides the exchange with the wireless signal of remote equipment (for example base station).Although described individual antenna, can adopt a plurality of antennas.For example, embodiment can adopt one or more transmitting antennas and one or more reception antenna.Replacedly or additionally, embodiment can adopt a plurality of antennas and/or the phased array antenna that are used for beam shaping to arrange.

As shown in Figure 5, transceiver module 504 comprises control module 509, transmitter portion 510 and receiver part 512.During operation, transceiver module 504 provides the interface between antenna 502 and the host module 506.For example, transmitter portion 510 is from control module 509 receiving symbols (symbol) 520, and generation respective signal 522 is carried out wireless transmission for Anneta module 502.This possibly relate to the operation such as modulation, amplification and/or filtering.Yet, can adopt other operations.

On the contrary, the signal 524 that receiver part 512 obtains by antenna 502 receptions, and generate corresponding symbol 526.Then, transceiver module 504 provides symbol 526 to control module 509.This generation of symbol 526 possibly relate to the operation that includes, but is not limited to demodulation, amplification and/or filtering.

Signal

522 and 524 can be in various forms.For example, these signals can be transmitted at IEEE 802.16e WiMAX network being used for by format.Yet embodiment is not limited to these exemplary network or signal format.Transmitter portion 510 can respectively comprise various assemblies with receiver part 512.Example components comprises modulator, demodulator, amplifier, filter, buffer, upconverter and/or low-converter.Such assembly can be implemented with hardware (for example electronic device), software or its any combination.

The various operations of control module 509 management transceiver modules 504.For example, the employing of control module 509 various physical layers of management and medium access control technology.And, as stated, control module 509 and transmitter portion 510 and receiver part 512 exchange symbols.Then, control module 509 can exchange corresponding informances (for example message and/or symbol) with host module 506.

The information of exchange can form with one or more agreements and/or with one or more users and use message or the information that is associated between host module 506 and the control module 509.Therefore, host module 506 can be carried out the operation corresponding to such (one or more) agreement and/or (one or more) user application.Example protocol comprises various medium access controls, network, transmission, signaling and/or session-layer protocol.Example user use comprise that phone, information receiving, Email, web browse, content (for example video and audio frequency) distribution/reception or the like.

For instance, Fig. 5 illustrates attached administration module 508 and exchanges messages with control modules 509 in the transceiver module 504.Especially, attached administration module 508 is shown as and sends attach request message 530 (for example EPC_ATTACH_REQ message).And attached administration module 508 is shown as and receives corresponding attached response message 532 (for example EPC_ATTACH_RSP message).As said, these message (via transceiver module 504 and antenna 502) exchange with remote entity.

Therefore, attached administration module 508 can generate attach request message.Such generation can be in response to variety of event, for example user activation or selection.And attached administration module 508 receives and handles attached response message.Based on this processing, can take place and the communicating by letter of external network (also being called as access point).

Fig. 6 is the figure that can be included in the enforcement 600 among the ASN-GW (the for example ASN-GW 404 of the ASN-GW 306 of the ASN-GW 116 of Fig. 1, Fig. 3 and/or Fig. 4).Yet this enforcement can also be used in other cases.Implement 600 and can comprise various elements.For example, Fig. 6 illustrates and implements 600 and comprise processor 602, storage medium 604 and communication interface modules 606.

Storage medium 604 can be stored the instruction of being carried out by processor 602.Be described in more detail below exemplary storage medium.Processor 602 can be carried out the instruction that is stored in the storage medium 604.Such instruction can provide ASN-GW characteristic as described herein.For example, Fig. 6 illustrates, and processor 602 receives attach request message 620 and sends corresponding attached response message 622.Such message is handled and generated to processor 602 according to said ASN-GW technology.

Processor 602

exchanges messages

620 and 622 with communication interface modules 606.Then, communication interface modules 606 and these message of base station exchange.As said, these message of base station and user equipment exchange.And communication interface modules provides the exchange with the information of other entities (for example aaa server, PDN-GW or the like).Communication interface 606 can comprise various assemblies, for example (one or more) transceiver, (one or more) NIC or the like.Such assembly can be implemented with any combination of hardware and/or software.

As said, various embodiment can use hardware element, software element or its any combination to implement.The instance of hardware element can comprise processor, microprocessor, circuit, circuit element (for example transistor, resistor, capacitor, inductor or the like), integrated circuit, application-specific integrated circuit (ASIC) (ASIC), programmable logic device (PLD), digital signal processor (DSP), field programmable gate array (FPGA), gate, register, semiconductor device, chip, microchip, chipset or the like.

The instance of software can comprise component software, program, application, computer program, application program, system program, machine program, operating system software, middleware, firmware, software module, routine, subroutine, function, method, process, software interface, application programming interfaces (API), instruction set, Accounting Legend Code, computer code, code segment, computer code segments, word, value, symbol or its any combination.

Some embodiment can for example use machine-readable storage medium or article to implement.Storage medium can store instruction or instruction set, if said instruction or instruction set carry out by machine, then can be so that machine is carried out method and/or the operation according to embodiment.Such machine can comprise for example any suitable processing platform, computing platform, computing equipment, treatment facility, computing system, treatment system, computer, processor or the like, and can use the incompatible enforcement of any suitable groups of hardware and/or software.

Storage medium or article can comprise for example memory cell, memory devices, memory article, storage medium, memory device, stores, storage medium and/or the memory cell of any suitable type, for example memory, removable or not removable medium, can wipe and maybe can not wipe medium, can write or rewritable media, numeral or simulation medium, hard disk, floppy disk, compact disc read-only memory (CD-ROM), CD-R (CD-R), CD-RW (CD-RW), CD, magnetizing mediums, magnet-optical medium, removable memory card or dish, various types of digital universal disc (DVD), tape, cassette tape or the like.Said instruction can comprise the code of any suitable type that any suitable programming language senior, rudimentary, OO, visual, compiling and/or that explain of use is implemented, for example source code, compiled code, interpretive code, executable code, static code, dynamic code, encrypted code or the like.

Although described various embodiment of the present invention in the above, should be appreciated that they only are presented and do not limit with the mode of example.For example, said technology is not limited to IEEE 802.16e network or 3GPP EPC network.

Therefore, following for those skilled in the relevant art will be conspicuous: under situation without departing from the spirit and scope of the present invention, can carry out various changes in form and details.Therefore, range of the present invention and scope should not limited by any embodiment in the above-mentioned exemplary embodiment, but should only limit according to following claim book and equivalent thereof.

Claims

1. device comprises:

Transceiver is used for and wireless access network exchange wireless signal;

Attached control module is used for:

Generate request message and be wirelessly transmitted to said wireless access network for said transceiver, described request message is used for request and is attached to core net, and

Receive response message through said transceiver from said wireless access network;

Wherein said request message comprises:

Indicate the field of attached type,

The field of indication APN, and

The field of indication mobility of user equipment mode capabilities.

2. the described device of claim 1, wherein, said response message comprises:

The field whether corresponding request of indication is permitted; And

Indication is used for the field of the selected mobility pattern of said subscriber equipment.

3. the described device of claim 1, wherein, said wireless access network is the WiMAX network, and said core net is that 3GPP strengthens block core (EPC).

4. the described device of claim 1, wherein, indicate attached type said field indication initial attachment, additional PDN is attached and switch in attached.

5. the described device of claim 1 wherein, is indicated the said field indication mobile Internet Protocol (IP) of mobility of user equipment mode capabilities.

6. the described device of claim 1, wherein, the service that the said field identification of indication APN is provided by external network.

7. the described device of claim 1; Wherein, When said response message indication described request is permitted, said transceiver will be set up the data path with first and second gateways, wherein first gateway in said wireless access network and second gateway in said core net.

8. method comprises:

Send a request message to wireless access network from subscriber equipment, described request message is used for request and is attached to core net; And

Receive response message at said subscriber equipment place from said Access Network, whether said response message indication described request is permitted;

Wherein said request message comprises:

Indicate the field of attached type,

The field of indication APN, and

Indicate the field of the mobility mode capabilities of said equipment.

9. the described method of claim 8, wherein, said wireless access network is the WiMAX network, and said core net is that 3GPP strengthens block core (EPC).

10. the described method of claim 8, wherein, the service that said APN sign is provided by external network.

11. the described method of claim 8, wherein, said response message comprises:

The field whether corresponding request of indication is permitted; And

12. the described method of claim 8 also comprises:

When said response message indication described request is permitted, set up the data path with first and second gateways, wherein first gateway in said wireless network and second gateway in said core net.

13. the described method of claim 12, wherein, first gateway is WiMAX access service network gateway (ASN-GW), and wherein second gateway is 3GPP packet data network gateway (PDN-GW).

14. the described method of claim 12, wherein, second gateway provides the access to the access point of in described request message, indicating.

15. the described method of claim 8 also comprises:

At said wireless access network place:

Receive described request message,

Generate said response message, and

Said response message is sent to said subscriber equipment.

16. the described method of claim 15 also comprises:

At said wireless access network place, confirm whether said user is authorized to for said APN.

17. article that comprise computer accessible, said computer accessible have storage instruction above that, said instruction makes said computer when being carried out by computer:

Wherein said request message comprises:

Indicate the field of attached type,

The field of indication APN, and

Indicate the field of the mobility mode capabilities of said equipment.

18. the described article of claim 17, wherein, said instruction also makes said computer when being carried out by computer:

19. the described article of claim 17, wherein, said wireless access network is the WiMAX network, and said core net is that 3GPP strengthens block core (EPC).

20. the described article of claim 17, wherein, the service that said APN sign is provided by external network.